/*
 * Copyright (C) 2020, 2019, 2018, 2017 Girish M
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */
#include <stdio.h>
#include <stdlib.h>
char primeOrNot(int num)
{
 int numOfFactors = 2, i;
 if(num > 2)
 {
  for(i=1; i<=num-1; i++)
  {
    if(num%i == 0)
     numOfFactors++;
  }
  if(numOfFactors > 2)
     return '\0' ;
  else
     return 'a';
 }
 else 
    return '\0';
}

int main(int argc, char* argv[])
{
 if(argc == 2)
 {
  if(primeOrNot(atoi(argv[1])))
  {
    printf("\nPrime\n");
  }
  else
    printf("\nNot Prime\n");
 }
 else
   printf("\nUsage: ./primeOrNot.o num\n");
 return 0;
}
